Sigma 258101 105mm f/2.8 EX DG OS HSM Macro Lens Canon DSLR Cameras, Black

£9.9
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Sigma 258101 105mm f/2.8 EX DG OS HSM Macro Lens Canon DSLR Cameras, Black

Sigma 258101 105mm f/2.8 EX DG OS HSM Macro Lens Canon DSLR Cameras, Black

RRP: £99
Price: £9.9
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Description

So, what makes a lens a macro? To be considered authentic macro lenses, they must have a magnification ratio of at least 1x (1:1). That means the subject you are photographing is, at a minimum, the same size on the camera sensor as it is in real life. If the ratio is greater than 1:1, images will be larger than life, and fine details will be even more visible. The maximum image reproduction ratio is life-size (1:1), and you can always buy extension tubes to reach 2:1 or 3:1 magnifications. One of the unique features of this 7artisans lens is the retracting hood. The lens barrel itself is 60 mm in diameter, but the front element is smaller and retracts into the lens body. 7artisans created a 39 mm screw-in lens hood to protect this element for travel, and when you focus at macro distances, the lens hood extends from the front of the lens. It’s well-built and comes with a lens hood, a rear lens cap, a protective case, and a soft pouch. It’s a low-cost lens that is a good choice if you’re looking for circular fisheye lenses. It’s soft at f/3.5, but it gets sharper at f/11-f/16. Although there is some barrel distortion, the colour and contrast are excellent.

The floating inner focusing, that moves two lens groups separately, minimises aberrations that are due to shooting distance changes. Thanks to the floating inner focusing image distortion are corrected. This function comes especially helpful when taking close-ups. The user can achieve stable rendering of the image from infinity to 1:1 magnification. Comfortable Handheld Photography No, the Canon RF 85mm f/2 is not a true macro lens. The maximum image reproduction ratio is less than life-size (it’s 1:2), but for close-ups of flowers, wedding decor, food, and products, it’s ideal. The Sigma 105mm f2.8 Macro EX DG OS HSM is a high performance, large aperture medium telephoto macro lens that comes with an Optical Stabiliser (OS). The lens helps users to maintain an appropriate distance from the subject of their photos while still being able to take close-up images. It features SLD glass elements that provide fantastic control of aberration as well as a floating inner focus system that allows for high rendering throughout the focusing range. It is a true macro lens with a 1:1 magnification that produces stunning images. If you’re looking for a creative macro photography lens that offers a soft-focus glow at wider apertures yet is capable of producing razor-sharp images when stopped down, the Lensbaby Velvet 85 f/1.8 might be your thing. If you’re looking for an inexpensive zoom lens that can focus close, then the Sigma 17-70mm f/2.8-4 DC Macro OS HSM may be the right third-party macro lens for you.But stop down the Lensbaby Velvet 85, and the glow is gradually replaced by a supreme center sharpness. (Although the glow becomes extremely subtle, it never vanishes completely, even at f/16.) The Sigma 70mm f/2.8 macro lens reproduces subjects at life-size (1:1), so it’s ideal for capturing tiny flower details and macro abstracts (and the 70mm focal length is also perfect for portrait photography). The lens delivers a reliable autofocus performance, but it can be somewhat slow, so if you’re hoping to shoot insects, I’d recommend looking elsewhere. This is both a nifty fifty and an affordable macro lens with 1:1 magnification - which makes it an attractive option for a Sony user, as it is small and light enough to be something you keep in your camera bag. Unlike the other Sony-fit options, this is also a sensible choice for use with APS-C sensor cameras (such as the Sony A6000 series, or the ZV-E1) - and then offers an effective focal length of 75mm. Be warned that this lens is showing its age in terms of its autofocus performance! As a 'true' macro lens, the Sigma 105mm f/2.8 EX DG OS HSM can focus down to a reproduction ratio of 1:1, meaning that the subject is imaged on the sensor at the same size as it appears in reality. Should you want to increase magnification even further, the lens is also compatible with Sigma's 1.4x and 2x APO teleconverters, which also have the effect of increasing effective focal length.

The 7artisans 60mm f/2.8 features a heavy, all-metal build, so it’s certainly not a lens you’ll want to carry around all day. And it only offers manual focusing, which may frustrate beginners. However, the focusing ring is well made and allows for precise adjustments, plus the lens is amazingly sharp, even at f/2.8. Sigma Art lens designs provide sophisticated optical performance and are considered the most accomplished range for expressive image making. Exceptionally high rendering performance is achieved thanks to the lens power layout. Chromatic aberration, spherical aberration as well as field curvature are all corrected thanks to the highly refractive index Special Low Dispersion (SLD) glass. High rendering performance is consistent throughout all shooting distances. Compatibility: The lens diaphragm is made of nine rounded blades, which will help you create beautiful bokeh. Wide-aperture lenses are often plagued by flare and ghosting, but these issues are suppressed very well on the 70mm f/2.8 thanks to a special Sigma coating.The Sigma 17-70mm Macro is compact and featherlight, and the build quality is impressive given the price point. The lens doesn’t feature a fixed aperture, though. If you like to shoot with a tripod or macro rail, then this shouldn’t be an issue as you can compensate for the smaller aperture by reducing your shutter speed, but f/4 isn’t so great for handholding, especially in lower light. However, Sigma’s image stabilization technology is a big help here, reducing camera shake so you can work at extremely slow shutter speeds without support. Another handy feature of the Canon RF 35mm: It’s compatible with Canon’s macro speedlight flashes. This flash range includes the Macro Twin Lites and Macro Ring Lites and enables you to create high-quality, controlled lighting for your macro subjects. Park Cameras offers a comprehensive selection of Sigma glass for leading camera mounts, including Sigma E mount lenses such as the popular Sigma 24-70 F/2.8 DG DN Art lens for Sony. This design is carried over to the Leica L mount, with mirrorless designs appearing ever more frequently for Fujifilm, Sony and MFT cameras. While it produces fantastic images, it is nearly impossible to get a good photo of yourself with this lens unless you’re willing to get creative. You can also buy a circular fisheye adapter to fit your camera and use other lenses as circular fisheye lenses. Still, it will probably not have the same quality as the Sigma 8mm f/3.5 EX DG Circular Fisheye Lens.



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